Addition and Subtraction Flashcards

Combine two or more whole numbers to find their total.

Find the difference between two whole numbers by taking one away from the other.

Align the decimal points and add the numbers column by column.

Align the decimal points and subtract the numbers column by column, borrowing if necessary.

Make the denominators the same (find a common denominator), then add the numerators.

Make the denominators the same (find a common denominator), then subtract the numerators.

Convert to improper fractions, add the fractions, and simplify if needed.

Convert to improper fractions, subtract the fractions, and simplify if needed.

Use the inverse operation to verify your answer (e.g., check addition with subtraction).

Identify key information, decide whether to add or subtract, and solve step by step.